package com.atguigu.springcloud.controller;

import com.atguigu.springcloud.entities.Dept;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
public class DeptController_Consume {

    //private static final String REST_URL_PREFIX = "http://localhost:8001";
    private static final String REST_URL_PREFIX = "http://MICROSERVICECLOUD-DEPT";
    /**

     RestTemplate提供了多种便捷访问远程Http服务的方法，
     是一种简单便捷的访问restful服务模板类，是Spring提供的用于访问Rest服务的客户端模板工具集
     官网：
     https://docs.spring.io/spring-framework/docs/4.3.7.RELEASE/javadoc-api/org/springframework/web/client/RestTemplate.html

     使用restTemplate访问restful接口非常的简单粗暴无脑。
         (url, requestMap, ResponseBean.class)这三个参数分别代表
         REST请求地址、请求参数、HTTP响应转换被转换成的对象类型。
     */
    @Autowired
    private RestTemplate restTemplate;

    @RequestMapping(value = "/consumer/dept/add")
    public boolean add(Dept dept){
        return restTemplate.postForObject(REST_URL_PREFIX+"/dept/add",dept,Boolean.class);
    }

    @RequestMapping(value = "/consumer/dept/get/{id}")
    public Dept get(@PathVariable("id")Long id){
        return restTemplate.getForObject(REST_URL_PREFIX+"/dept/get/"+id,Dept.class);
    }

    @RequestMapping(value = "/consumer/dept/list")
    public List<Dept> list(){
        return restTemplate.getForObject(REST_URL_PREFIX+"/dept/list",List.class);
    }

    //测试@EnableDiscoveryClient，消费端可以调用服务发现
    @RequestMapping(value = "/consumer/dept/discovery")
    public Object discovery(){
        return restTemplate.getForObject(REST_URL_PREFIX+"/dept/discovery",Object.class);
    }

}
